[R-1051] R-1051 Speakers

Nick England navy.radio at gmail.com
Thu Nov 21 10:46:58 EST 2019 

I found a couple of UCC-1 racks at Fair Radio several years ago. They are
on my projects list but I don't know that they'll ever do anything other
than run via wire from one room to another!
For R-1051 fans curious about the UCC-1, see
http://www.navy-radio.com/rtty-mux-ucc1.htm
Cheers,
Nick England K4NYW
www.navy-radio.com


On Thu, Nov 21, 2019 at 10:33 AM paul swed <paulswedb at gmail.com> wrote:

> UCC1 another memory from the past. I do have a operational ura17. That was
> a cadillac when at home I used home brew demodulators as a young ham. The
> UCC1 also taught me how to home brew narrow band demods for the AP and UPI
> wire services in the early 80s through 1990. They were muxed at that time.
> Regards
> Paul
>
> On Thu, Nov 21, 2019 at 7:09 AM Tom Chirhart via R-1051 <
> r-1051 at mailman.qth.net> wrote:
>
> > John
> > My Tin Can was DD-938, earlier Forest Sherman class but likely the same
> > FRAM only later (1972). The design of the 1051’s wiring harness likely
> lead
> > the reason for failures. The harness was routed along the side and across
> > and wire behind the RF connector could weaken and break causing
> > intermittent receive and as you know a rockin and rollin TinCan is just
> > enough to increase intermittent audio...
> > If we had a swear jar the ET’s could have funded our first night on
> > liberty..
> > BTW it’s great to wake up the 1051 Group, I just hope we don’t bore the
> > members to drinking. I myself like to hear stories from the operators
> > perspective...
> > 73
> > Tom K4NCG
> > Sent from my iPad
> >
> > > On Nov 21, 2019, at 12:01 AM, John <jlkolb at jlkolb.cts.com> wrote:
> > >
> > >
> > > Another tin can sailor here. We were FRAMed in 1965-66, DD-948. Ended
> up
> > with 2 R-1051's in crypto, but kept R-390A's in main radio room. Believe
> I
> > was the first in a destroyer to copy the fleet bcst when it switched to
> mux
> > in '66 in Westpac, a challenge since the yardbirds totally messed up the
> > UCC-1 installation.  Later managed to copy the mux bcst with a R-1051 in
> > variable mode when the 1 kHz tuning wouldn't lock, by pitch matching to
> the
> > other rx.
> > >
> > > Was amused once when one R-1051 failed and the ET brought up his box of
> > spare modules. Swapping all the modules didn't fix it, and the removed
> > modules all worked in the other rx. I tilted up the chassis on the
> slides,
> > and found one of the connector pins loose from one of the module
> > connectors. An unlikely failure mode except following a month of pounding
> > from continuous shore bombardment duty.
> > >
> > > John  KK6IL
> > >
> > >> On 11/20/2019 1:53 PM, Tom Chirhart via R-1051 wrote:
> > >> Pricey! But anything DoD is...
> > >> I was one of the CW operators on a Tin Can, Post FRAM (Ships
> > modernization) the R-390’s (except two used for ships entertainment) went
> > away and R-1051’s appeared. The 1051’s sucked on CW in comparison to the
> > R-390, BUT the 1051’s were stable for HF ship/shore using a WRT-2 or
> URC-32
> > for TX. Fleet broadcast using the 1051’s were tops...
> > >> Back in the day when the Navy had real Communicators...
> > >> 73 all
> > >> Tom
> > >> Sent from my iPad
> > >>> On Nov 20, 2019, at 2:19 PM, paul swed <paulswedb at gmail.com> wrote:
> > >>>
> > >>> Tom a bit of humor in all this.
> > >>> I was in one of the earlier classes on the r1051. I looked it up at
> > the time. It could be purchased for $27,000. So that wasn't going to show
> > up in the ole ham shack anytime soon.
> > >>> Oh and it had a oven oscillator... Well as time went by as with all
> > electronics it goes from $$$ to $/lbs. Fair radio had them for sale and I
> > could actually afford it. Years later they really were going pennies per
> > pound. But shipping was not attractive. There was a place in california
> > that had stacks of them cheap. Think it was Santa Clara.
> > >>> Oh well things come and go.
> > >>> The unit I have works great unlike so many other things after even 5
> > years.
> > >>> Regards
> > >>> Paul
> > >>> WB8TSL
> > >>>
> > >>>> On Wed, Nov 20, 2019 at 1:36 PM Tom Chirhart via R-1051 <
> > r-1051 at mailman.qth.net> wrote:
> > >>>> Paul, as a Retired Chief Radioman I think I can speak freely.. the
> > LS-474 is only needed by the collector that wants everything original.
> Same
> > for the LS-206 for the die hard R-390 crowd. Most speakers with a
> matching
> > transformer will work. Using the audio patch panels in Radio Central we
> > could patch any receiver to any speaker or multiple speakers throughout
> the
> > ship. We patched speakers to the bridge etc.. I use amplified Radio Shack
> > speakers routinely but the flashback memories is why I have the matching
> > speakers...
> > >>>> best 73’s to all us R-1051 owners out there.. if you are headed
> South
> > along I-95 in Virginia I might have an interest in your R-1051. Send
> > photos! I’m in Virginia just 5 miles south of Quantico...
> > >>>> Tom
> > >>>>
> > >>>> Sent from my iPad
> > >>>>
> > >>>>> On Nov 20, 2019, at 10:00 AM, paul swed <paulswedb at gmail.com>
> wrote:
> > >>>>>
> > >>>>> With respect to speakers I also use a set of high end broadcast
> > monitors
> > >>>>> for my r1051. Only because I could. But for the various BC312/348
> > class
> > >>>>> radios its the cheap and cheerful stereo speakers available through
> > many
> > >>>>> computer stuff sellers. What works quite well are inland
> > technology's for
> > >>>>> $8 as I recall.
> > >>>>> Granted none of these are official R1051 speakers. In fact aboard
> > the ships
> > >>>>> that I served on the radios always went to switchboards that
> > directed the
> > >>>>> audio to various locations that had a amplifier and then various
> size
> > >>>>> speakers.
> > >>>>> Regards
> > >>>>> Paul
> > >>>>> WB8TSL
> > >>>>>
> > >>>>> On Wed, Nov 20, 2019 at 8:58 AM Guido Santacana <
> > gsantacanav at gmail.com>
> > >>>>> wrote:
> > >>>>>
> > >>>>>> I used to feed the audio of my 1051B into a shelf speaker through
> a
> > 600 to
> > >>>>>> 8 ohm matching transformer. It works ok. Lately I have connected a
> > small
> > >>>>>> Radio Shack Mono Audio amplifier to the audio output. It provides
> > better
> > >>>>>> control of tone and much better audio.
> > >>>>>>
> > >>>>>> 73s
> > >>>>>> Guido KP4FAR
> > >>>>>>
> > >>>>>> On Wed, Nov 20, 2019 at 9:42 AM Steve Hobensack <
> > >>>>>> stevehobensack at hotmail.com>
> > >>>>>> wrote:
> > >>>>>>
> > >>>>>>> Bookshelf speakers work nice. You need two of them. Use 12v
> > filament
> > >>>>>>> transformers to match impedance. Its not an exact match but
> close.
> > Hook
> > >>>>>> the
> > >>>>>>> 120v side to the radio and the 12v side to the speaker.
> > >>>>>>> N8YE
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